Shandong Dacheng BIO-CHEMICAL Co., Ltd

Source of Waste Gas: The waste gas originates from process unit exhaust, unorganized emissions, and waste ammonia.

Waste Gas Volume: 60,000 m³/h

Exhaust Gas Concentration: Ranges from 1,600 to 1,790 mg/Nm³

Waste Gas Components: The primary constituents include methanol, propylene oxide, propylene carbonate, dimethyl carbonate, and propylene glycol.

Treatment Process: The treatment process involves a Rotary Valve Regenerative Thermal Oxidizer (RTO) followed by Selective Catalytic Reduction (SCR).

RTO Specifications: The RTO unit has a capacity of 60,000 m³/h.

Emission Limits:
Non-methane hydrocarbons (NMHC) ≤ 50 mg/m³
Particulate matter ≤ 10 mg/m³
Volatile organic compounds (VOCs) ≤ 60 mg/m³
Hydrogen cyanide ≤ 1.9 mg/m³
Ammonia ≤ 1 mg/m³
Sulfur dioxide (SO₂) ≤ 35 mg/m³
Nitrogen oxides (NOₓ) ≤ 50 mg/m³
Acrylonitrile ≤ 0.5 mg/m³
Benzene ≤ 2 mg/m³
Benzene homologues ≤ 25 mg/m³